NASA Sci Files segment describing how our bodily protective materials and functions work.


This movie is part of the collection: NASA Images

Audience: Grade Level 3-5
Producer: NASA LaRC Office of Education
Audio/Visual: sound, color
Language: en
Keywords: Dr. D; Vomit; Mucous; Enzymes; Saliva; Tears; Microbe; Cilia; Hydrochloric Acid; Stomach; Sneeze; Cough; Sweat;

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